Replace TypeScript action with pure YAML reusable workflow - complete removal

.github/dependabot.yml

@@ -1,14 +1,4 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
+# This repository now uses a pure YAML reusable workflow
+# No package dependencies to track
 version: 2
-updates:
-- package-ecosystem: npm
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "08:00"
-    timezone: Europe/Oslo
-  open-pull-requests-limit: 20
+updates: []